MolluscaBase name details
Isognomon (Isognomon) varnensis (Toula, 1892) †
1661785 (urn:lsid:marinespecies.org:taxname:1661785)
alternative representation
Species
marine, brackish, fresh, terrestrial
fossil only
(of Perna varnensis Toula, 1892 †) Toula, F. (1892). Geologische Untersuchungen im östlichen Balkan und in Anderen Theilen von Bulgarien und Ostrumelien (II Abtheilung). <em>Denkschriften der kaiserlichen Akademie der Wissenschaften Mathematisch-Naturwissenschaftlichen Classe.</em> 59, 409–478, 6 pls.
page(s): 419, pl. 4, fig. 3, 4, 25 [details]
page(s): 419, pl. 4, fig. 3, 4, 25 [details]
MolluscaBase eds. (2025). MolluscaBase. Isognomon (Isognomon) varnensis (Toula, 1892) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1661785 on 2025-09-11
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original description
(of Perna varnensis Toula, 1892 †) Toula, F. (1892). Geologische Untersuchungen im östlichen Balkan und in Anderen Theilen von Bulgarien und Ostrumelien (II Abtheilung). <em>Denkschriften der kaiserlichen Akademie der Wissenschaften Mathematisch-Naturwissenschaftlichen Classe.</em> 59, 409–478, 6 pls.
page(s): 419, pl. 4, fig. 3, 4, 25 [details]
basis of record Nevesskaja, L.A.; Goncharova, I.A.; Paramonova, N.P.; Popov, S.V.; Babak, E.V.; Bagdasarjan, K.G.; Voronina, A.A. (1993). Opredelitel' miotsenovykh dvustvorchatykh mollyuskov yugo-zapadnoy Yevrazii. Trudy Paleontologicheskogo Instituta, 247: 1-412, available online at http://www.geokniga.org/books/14254
page(s): 67, pl. XIII, fig. 12 [details]
page(s): 419, pl. 4, fig. 3, 4, 25 [details]
basis of record Nevesskaja, L.A.; Goncharova, I.A.; Paramonova, N.P.; Popov, S.V.; Babak, E.V.; Bagdasarjan, K.G.; Voronina, A.A. (1993). Opredelitel' miotsenovykh dvustvorchatykh mollyuskov yugo-zapadnoy Yevrazii. Trudy Paleontologicheskogo Instituta, 247: 1-412, available online at http://www.geokniga.org/books/14254
page(s): 67, pl. XIII, fig. 12 [details]
